I remember seeing this film trailered once but cannot remember the title or anyone in it. The film seemed to be about an expedition into the jungle by some special forces unit who then proceed to get picked off and hunted by some unseen jungle tribe. I remember the trailer emphasising the fact that despite the special forces units advanced weapons they were no match for this tribe who were killing them off with poisoned darts and jungle traps.

- Not predator or cannibal Holocaust but I think it was mid to late 80's but possibly very very early 90's